- Category: Water Feature
- Type: Other Water Feature
- Latitude/Longitude: 52°57'48"N 3°58'27"W
- Eastings/Northings: 267500, 342500
- OS Grid: SH675425
- Mapcode Local: GBR 5X.K730
- Mapcode Global: WH55G.XSQ0
Location and coordinates are for the approximate centre of Nant Ystradau within this administrative area.
Geographic features and populated places may cross administrative borders.